don't worry (about a thing)
Don't stress about a particular thing or situation. Don't worry about a thing, Mrs. Jones—Maia and I will have a fine time playing dress-up while you and your husband are at the movies.
Don't worry (about a thing).
Do not become anxious about something.;Everything will be all right. "Don't worry, Fred,"comforted Bill, "everything will be all right." Bill:I think I left the car windows open. Sue: Don't worry, I closed them. "Don't worry about a thing," the tax collector had said. "We'll take care of everything." Or was it "We'll take everything? "